以下七篇文献哪位能够上Jstor的同仁能提供，

1 incentive contracts and performance measurement, Journal of policital economy, 100(3):   Backer 1992

2 sensitivity precision and linear aggregation of signals of performance evaluation Journal of accounting research 1989  Backer and Datar

3 Balancing performance measures Journal of accounting research 39 Datar et. al

4 what tradeoff of risk and incentives AER 2000  Prendergast

5 The tenuous trade-off between risk and incentives ,JPE ,  Prendergast

6 Favoritism in organization, JPE, Prendergast

7 on the folly of rewarding for A while hoping for B,  academy of management Journal, 18(4):1975 Ittner,Chris et.al.

作为交换本人将送上 Larry Samulson 和 George. Mailath 的新书 Repeated Games and Reputation 电子版。

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